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Article overview
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IR Detection of Low-Mass Secondaries in Spectroscopic Binaries | T. Mazeh
; L. Prato
; M. Simon
; E. Goldberg
; D. Norman
; S. Zucker
; | Date: |
24 Oct 2001 | Subject: | astro-ph | Affiliation: | Tel Aviv), L. Prato (UCLA), M. Simon (SUNY-SB), E. Goldberg (Tel Aviv), D. Norman (CTIO), and S. Zucker (Tel Aviv | Abstract: | This paper outlines an infrared spectroscopic technique to measure the radial velocities of faint secondaries in known single-lined binaries. The paper presents our H-band observations with the CSHELL and Phoenix spectrographs and describes detections of three low-mass secondaries in main-sequence binaries: G147-36, G164-67, and HD144284 with mass ratios of 0.562+-0.011, 0.423+-0.042, and 0.380+-0.013, respectively. The latter is one of the smallest mass ratios derived to date. | Source: | arXiv, astro-ph/0110536 | Services: | Forum | Review | PDF | Favorites |
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